. 2012 May 29;2012:639124. doi: 10.1155/2012/639124

Table 4.

Adjusted ${\hat{ω}}_{j}^{*}$ , ${\hat{ω}}_{j}$ for obesity and confidence intervals using two methods for the National Health Survey.

Covariates	${\hat{ω}}_{j}$ ( ${\hat{ω}}_{j}^{*}$ )	95% CI^a (proposed)	95% CI (dichotomized)	Relative^b length of CI
Place of residence	1.65 (1.97)^c	1.58–1.74	1.79–2.18	2.43
Age	1.021 (1.019)	1.018–1.022	1.015–1.022	1.75
Years of education	0.99 (0.98)	0.985–0.997	0.971–0.994	1.92
Smoking	0.76 (0.68)	0.66–0.90	0.51–0.92	1.71
Marital status	1.16 (1.42)	1.10–1.22	1.27–1.58	2.58
Lower-middle economy index	1.24 (1.32)	1.14–1.32	1.18–1.48	1.67
Upper-middle economy index	1.21 (1.26)	1.14–1.29	1.12–1.42	2.0
High economy index	1.20 (1.21)	1.11–1.30	1.08–1.36	1.47

^aconfidence interval, ^bdichotomized/proposed, ^cproposed (dichotomized).